| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-1600 | 1 | 4:17.99 | Mierzwa, Henry (2015) (Maine South, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#14) |
| B-1600 | 2 | 4:19.27 | Nash, Charles (2015) (Deerfield, IL) | Dan Horyn Invitational(IL), 2015-04-24(#5) |
| B-1600 | 3 | 4:20.12 | Patel, Dhruvil (2015) (Niles North, IL) | Dan Horyn Invitational(IL), 2015-04-24(#6) |
| B-1600 | 4 | 4:20.46 | Barr, Martin (2016) (Niles North, IL) | Chicago Magnificent Miles(IL), 2015-06-05(#3) |
| B-1600 | 5 | 4:20.75 | Casey, Ben (2015) (Highland Park, IL) | Dan Horyn Invitational(IL), 2015-04-24(#7) |
| B-1600 | 6 | 4:23.40 | Oh, Ted (2016) (New Trier Township, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#5) |
| B-1600 | 7 | 4:26.08 | Sodaro, Brian (2016) (Maine South, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#7) |
| B-1600 | 8 | 4:26.19 | Litowitz, Jack (2016) (New Trier Township, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#8) |
| B-1600 | 9 | 4:29.23 | Reese, Jordan (2017) (Maine South, IL) | New Trier Boys F/S Invitational(IL), 2015-04-28(#1) |
| B-1600 | 10 | 4:29.25 | Davidson, Brett (2016) (Highland Park, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#5) |
| B-1600 | 11 | 4:29.30 | Liston, Alex (2015) (Maine West, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#6) |
| B-1600 | 12 | 4:29.90 | Santacruz, Austin (2015) (New Trier Township, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
| B-1600 | 13 | 4:30.44 | Anderson, Billy (2015) (Deerfield, IL) | EIU Race At State(IL), 2015-05-29(#3) |
| B-1600 | 14 | 4:30.73 | Blood, Warren (2017) (New Trier Township, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#1) |
| B-1600 | 15 | 4:30.80 | Theriault, Jordan (2018) (Glenbrook South, IL) | Midwest Distance Classic(IL), 2015-06-13(#3) |
| B-1600 | 16 | 4:31.14 | Jordan, Reese (2017) (Maine South, IL) | Schaumburg Mikias Tibebu Invitational(IL), 2015-04-11(#1) |
| B-1600 | 17 | 4:31.87 | Rosenkranz, Josh (2015) (New Trier Township, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#3) |
| B-1600 | 18 | 4:31.93 | Diaz, Anthony (2015) (Niles North, IL) | Wanner Knights Invitational(IL), 2015-05-01(#18) |
| B-1600 | 19 | 4:34.80 | Mohamed, Nebil (2015) (Niles North, IL) | Springfield Boys Open(IL), 2015-04-04(#2) |
| B-1600 | 20 | 4:36.00 | Whitfield, Nate (2016) (Glenbrook North, IL) | Warren Boys Invitational(IL), 2015-04-18(#4) |
| B-1600 | 21 | 4:39.57 | Laurie, Fitz (2018) (Highland Park, IL) | Dan Horyn Invitational(IL), 2015-04-24(#2) |
| B-1600 | 22 | 4:39.67 | Sanchez, Alec (2017) (Glenbrook South, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#12) |
| B-1600 | 23 | 4:40.70 | Woolford, Cooper (2017) (New Trier Township, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#2) |
| B-1600 | 24 | 4:41.01 | Golden, Jason (2016) (Glenbrook North, IL) | Dan Horyn Invitational(IL), 2015-04-24(#19) |
| B-1600 | 25 | 4:41.92 | Lowry, Breton (2015) (Evanston Township, IL) | Thornton Township Classic(IL), 2015-05-09(#1) |
| B-1600 | 26 | 4:45.00 | Jortberg, Matt (2018) (Glenbrook South, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#3) |
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| | | See more performances for B-1600 | | |
